JP7689439B2 - 画像処理システム、画像処理方法、及びプログラム - Google Patents

画像処理システム、画像処理方法、及びプログラム Download PDF

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JP7689439B2
JP7689439B2 JP2021067356A JP2021067356A JP7689439B2 JP 7689439 B2 JP7689439 B2 JP 7689439B2 JP 2021067356 A JP2021067356 A JP 2021067356A JP 2021067356 A JP2021067356 A JP 2021067356A JP 7689439 B2 JP7689439 B2 JP 7689439B2
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Japanese (ja)
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JP2022162474A5 (https=
JP2022162474A (ja
Inventor
悠貴 鳴海
剛 大石
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Canon Inc
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Canon Inc
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Priority to JP2021067356A priority Critical patent/JP7689439B2/ja
Priority to US17/716,084 priority patent/US12183101B2/en
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Publication of JP2022162474A5 publication Critical patent/JP2022162474A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/226—Character recognition characterised by the type of writing of cursive writing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/82—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1463—Orientation detection or correction, e.g. rotation of multiples of 90 degrees
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/1801—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/19—Recognition using electronic means
    • G06V30/191—Design or setup of recognition systems or techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
    • G06V30/19147—Obtaining sets of training patterns; Bootstrap methods, e.g. bagging or boosting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • Evolutionary Computation (AREA)
  • Databases & Information Systems (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Character Input (AREA)
JP2021067356A 2021-04-12 2021-04-12 画像処理システム、画像処理方法、及びプログラム Active JP7689439B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021067356A JP7689439B2 (ja) 2021-04-12 2021-04-12 画像処理システム、画像処理方法、及びプログラム
US17/716,084 US12183101B2 (en) 2021-04-12 2022-04-08 Image processing system, image processing method, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021067356A JP7689439B2 (ja) 2021-04-12 2021-04-12 画像処理システム、画像処理方法、及びプログラム

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JP2022162474A JP2022162474A (ja) 2022-10-24
JP2022162474A5 JP2022162474A5 (https=) 2024-04-19
JP7689439B2 true JP7689439B2 (ja) 2025-06-06

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JP (1) JP7689439B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7689439B2 (ja) * 2021-04-12 2025-06-06 キヤノン株式会社 画像処理システム、画像処理方法、及びプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030215136A1 (en) 2002-05-17 2003-11-20 Hui Chao Method and system for document segmentation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187753A (en) 1989-12-08 1993-02-16 Xerox Corporation Method and apparatus for identification and correction of document skew
JPH0844822A (ja) 1994-08-03 1996-02-16 Matsushita Electric Ind Co Ltd 文字認識装置
JP2006092027A (ja) * 2004-09-21 2006-04-06 Fuji Xerox Co Ltd 文字認識装置、文字認識方法および文字認識プログラム
US8139897B2 (en) * 2007-03-15 2012-03-20 Ricoh Company, Limited Detecting tilt in an image having different resolutions in different directions
TW201223239A (en) * 2010-11-23 2012-06-01 Cal Comp Electronics & Comm Co Method for image correction and scanner using the same
US10056083B2 (en) * 2016-10-18 2018-08-21 Yen4Ken, Inc. Method and system for processing multimedia content to dynamically generate text transcript
US10783400B2 (en) * 2018-04-06 2020-09-22 Dropbox, Inc. Generating searchable text for documents portrayed in a repository of digital images utilizing orientation and text prediction neural networks
JP2020053931A (ja) 2018-09-28 2020-04-02 日本電産サンキョー株式会社 画像処理装置、イメージスキャナ、及び画像処理方法
US11302108B2 (en) * 2019-09-10 2022-04-12 Sap Se Rotation and scaling for optical character recognition using end-to-end deep learning
US11315351B2 (en) * 2020-01-08 2022-04-26 Kabushiki Kaisha Genial Technology Information processing device, information processing method, and information processing program
JP7689439B2 (ja) * 2021-04-12 2025-06-06 キヤノン株式会社 画像処理システム、画像処理方法、及びプログラム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030215136A1 (en) 2002-05-17 2003-11-20 Hui Chao Method and system for document segmentation

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JP2022162474A (ja) 2022-10-24
US12183101B2 (en) 2024-12-31
US20220335738A1 (en) 2022-10-20

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